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| author | David S. Miller <davem@davemloft.net> | 2016-11-15 18:54:36 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-15 18:54:36 +0300 |
| commit | bb598c1b8c9bf56981927dcb8c0dc34b8ff95342 (patch) | |
| tree | 69fe6d3bcdbf0acb76e42b144d8af5a0234ccdcb /drivers/pci/setup-res.c | |
| parent | eb2ca35f1814dad3ca547261eedfbbd0d65a0efc (diff) | |
| parent | e76d21c40bd6c67fd4e2c1540d77e113df962b4d (diff) | |
| download | linux-bb598c1b8c9bf56981927dcb8c0dc34b8ff95342.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several cases of bug fixes in 'net' overlapping other changes in
'net-next-.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/pci/setup-res.c')
| -rw-r--r-- | drivers/pci/setup-res.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 66c4d8f42233..9526e341988b 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -121,6 +121,14 @@ int pci_claim_resource(struct pci_dev *dev, int resource) return -EINVAL; } + /* + * If we have a shadow copy in RAM, the PCI device doesn't respond + * to the shadow range, so we don't need to claim it, and upstream + * bridges don't need to route the range to the device. + */ + if (res->flags & IORESOURCE_ROM_SHADOW) + return 0; + root = pci_find_parent_resource(dev, res); if (!root) { dev_info(&dev->dev, "can't claim BAR %d %pR: no compatible bridge window\n", |